15
3.2.2.
Command Explanation
The following are examples on how to send each of the commands from the command list table.
3.2.2.1.
<Turn on specified Signal Tower light and sound buzzer>
Sending ASCII data in the following form will control the specified Signal Tower light to turn on and sound the
buzzer. The bit in the data section is specified as “0”, of which the Signal Tower and buzzer will maintain their
condition, and the bit in the data section specified as “1” will turn off the Signal Tower lights and sound the buzzer.
[Transmission Example]
In this example, the Signal Tower red shall flash, amber will light up, and buzzer
pattern 2 shall sound.
• Send Data
Header
ID
Command
Data
End code
@
[40H]
?
[3FH]
?
[3FH]
1
[30H]
3
[33H]
2
[32H]
!
[21H]
• Reply Data
Normal Response
Data
ACK
[06H]
Response Error
Data
NAK
[15H]
The following are conditions in which will get a NAK reply, and the error contents are as follows.
Transmission Condition
Error Contents
Command Error
When commands other than a command from the list are specified
Data error
When the data outside of 0[30H] - ?[3FH], is specified
Data size error
When the number of bytes in the send data is different
Timeout
When the reply interval for every byte exceeds 5 seconds after receiving a header
*Do not transmit the following command, before this product transmits reply data. It may not operate
normally.
MEMO
• If Lighting and Flashing are used simultaneously by the same unit, Lighting will take priority.
• If Buzzer pattern 1 and Buzzer pattern 2 are used simultaneously, Buzzer pattern 1 will take
priority.
3
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0
Red Unit Lighting
Amber Unit Lighting
Green Unit Lighting
Buzzer Pattern 1
Buzzer Pattern 2
Red Unit Lighting
Amber Unit Lighting
Green Unit Lighting